Rename content_rect to rect in TextFragment and ImageFragment

Since they don’t have padding etc.

components/layout_2020/display_list.rs

@@ -53,7 +53,7 @@ impl Fragment {
             Fragment::Text(t) => {
                 is_contentful.0 = true;
                 let rect = t
-                    .content_rect
+                    .rect
                     .to_physical(t.parent_style.writing_mode, containing_block)
                     .translate(&containing_block.top_left);
                 let mut baseline_origin = rect.top_left.clone();
@@ -79,7 +79,7 @@ impl Fragment {
                 use style::computed_values::image_rendering::T as ImageRendering;
                 is_contentful.0 = true;
                 let rect = i
-                    .content_rect
+                    .rect
                     .to_physical(i.style.writing_mode, containing_block)
                     .translate(&containing_block.top_left);
                 let common = CommonItemProperties {

components/layout_2020/flow/inline.rs

@@ -601,7 +601,7 @@ impl TextRun {
                 LineHeight::Number(n) => font_size * n.0,
                 LineHeight::Length(l) => l.0,
             };
-            let content_rect = Rect {
+            let rect = Rect {
                 start_corner: Vec2 {
                     block: Length::zero(),
                     inline: ifc.inline_position - ifc.current_nesting_level.inline_start,
@@ -619,7 +619,7 @@ impl TextRun {
                 .fragments_so_far
                 .push(Fragment::Text(TextFragment {
                     parent_style: self.parent_style.clone(),
-                    content_rect,
+                    rect,
                     ascent: font_ascent.into(),
                     font_key,
                     glyphs,

components/layout_2020/fragments.rs

@@ -56,15 +56,15 @@ pub(crate) struct AnonymousFragment {
 
 pub(crate) struct TextFragment {
     pub parent_style: ServoArc<ComputedValues>,
-    pub content_rect: Rect<Length>,
+    pub rect: Rect<Length>,
     pub ascent: Length,
     pub font_key: FontInstanceKey,
     pub glyphs: Vec<Arc<GlyphStore>>,
 }
 
 pub(crate) struct ImageFragment {
     pub style: ServoArc<ComputedValues>,
-    pub content_rect: Rect<Length>,
+    pub rect: Rect<Length>,
     pub image_key: ImageKey,
 }
 

components/layout_2020/replaced.rs

@@ -45,7 +45,7 @@ impl ReplacedContent {
                 .map(|image_key| {
                     Fragment::Image(ImageFragment {
                         style: style.clone(),
-                        content_rect: flow_relative::Rect {
+                        rect: flow_relative::Rect {
                             start_corner: flow_relative::Vec2::zero(),
                             size,
                         },